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Plant care

Daylily 'Stella de Oro' (Stella de Oro Daylily) care

Hemerocallis 'Stella de Oro'

Also called Stella de Oro Daylily, Stella Daylily.

RHS H7USDA 3-9Toxic to petsIndoor 25-35 cm tall and wide

Watering rhythm

7-10days

When the top 5 cm of soil is dry, roughly every 7-10 days during the growing season

Light

Direct sun (at least 4-6 hours)

Soil

Fertile, well-draining loam

Humidity

40-70%

Temp

-30-35°C

Pet safety

Toxic to pets

Mature size

25-35 cm tall and wide

Care at a glance

Light

Aim for at least 4-6 hours of direct sun on the leaves. Full sun (6+ hours per day) produces the most flowers and the most compact clump. Tolerates partial shade but flowering frequency and vigour decline noticeably. Morning sun with afternoon shade is acceptable in hot climates. If your only bright window faces south, that's perfect for daylily 'stella de oro' — same window any aroid would fry on.

Watering

Watering daylily 'stella de oro': when the top 5 cm of soil is dry, roughly every 7-10 days during the growing season. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Drought-tolerant once established but benefits from consistent moisture during bud set and bloom. Water deeply at the base; avoid wetting foliage. Reduce watering significantly in winter dormancy.

Soil and pot

Daylily 'Stella de Oro' grows best in fertile, well-draining loam. Adapts to most soil types from sandy to clay but performs best in loamy, organically enriched soil. Improve clay soils with grit or compost to prevent waterlogging at the crown, which causes rot. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Daylily 'Stella de Oro' sits happiest at around 40-70% humidity and -30-35°C (-22-95°F). Tolerates a wide humidity range. High humidity in warm, stagnant conditions can promote rust or leaf-streak fungal disease. Good air circulation around clumps minimises foliar issues. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed daylily 'stella de oro' sparingly. Apply a balanced slow-release granular fertiliser (e.g. 10-10-10) in early spring as new growth emerges. A second light application after the first flush of bloom encourages reblooming. Avoid high-nitrogen feeds late in the season as they promote foliage over flowers. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on daylily 'stella de oro' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Hemerocallis rustPuccinia hemerocallidis causes orange pustules on leaves. Remove affected foliage and apply a registered fungicide; improve air circulation.
  • Aphids on scapesCluster at flower buds; knock off with a strong water jet or apply insecticidal soap. Natural predators usually keep populations in check.
  • Thrips causing streak marksSilver streaking on petals indicates thrips. Use spinosad spray during bud stage. Remove debris around clumps where thrips overwinter.
  • Clump congestionAfter 3-4 years, clumps become crowded and bloom declines. Divide in late summer or early autumn, replanting enriched sections.
  • Crown rotCaused by poor drainage or excess moisture. Plant on a slightly raised position, improve drainage, and avoid mulching directly over the crown.

Companion plants

Daylily 'Stella de Oro' pairs well with Salvia nemorosa, Nepeta x faassenii, Echinacea purpurea, and Penstemon digitalis. These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.

Propagation

Divide clumps in late summer to early autumn or in early spring. Lift and tease apart fans with a back-to-back fork technique. Replant individual fans at original depth, spacing 30-40 cm apart. Settles in within one season. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Daylily 'Stella de Oro' is toxic to pets. All Hemerocallis (daylily) species and cultivars are listed by the ASPCA as toxic to cats. Ingestion of any part — including pollen, petals, leaves, or water from a vase — can cause acute kidney failure in cats. Toxic to dogs at high doses. Keep well away from pets, especially cats. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Daylily 'Stella de Oro' care — frequently asked questions

What is the common name for Hemerocallis 'Stella de Oro'?

Hemerocallis 'Stella de Oro' is most commonly called Daylily 'Stella de Oro', but it is also known as Stella de Oro Daylily, Stella Daylily. The names refer to the same species, so care instructions for Daylily 'Stella de Oro' apply identically to anything sold as Stella de Oro Daylily.

How much light does daylily 'stella de oro' need?

Daylily 'Stella de Oro' grows best in direct sun (at least 4-6 hours). Full sun (6+ hours per day) produces the most flowers and the most compact clump. Tolerates partial shade but flowering frequency and vigour decline noticeably. Morning sun with afternoon shade is acceptable in hot climates.

How often should I water daylily 'stella de oro'?

Water daylily 'stella de oro' when the top 5 cm of soil is dry, roughly every 7-10 days during the growing season. Drought-tolerant once established but benefits from consistent moisture during bud set and bloom. Water deeply at the base; avoid wetting foliage. Reduce watering significantly in winter dormancy. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is daylily 'stella de oro' toxic to cats and dogs?

Daylily 'Stella de Oro' is toxic to pets. All Hemerocallis (daylily) species and cultivars are listed by the ASPCA as toxic to cats. Ingestion of any part — including pollen, petals, leaves, or water from a vase — can cause acute kidney failure in cats. Toxic to dogs at high doses. Keep well away from pets, especially cats.

What USDA hardiness zone does daylily 'stella de oro' grow in?

Daylily 'Stella de Oro' is rated for USDA zone 3-9 and RHS hardiness H7. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Daylily 'Stella de Oro' deep-dive guides

Every aspect of daylily 'stella de oro' care, each with its own calibrated guide:

Featured in these plant shortlists

Daylily 'Stella de Oro' qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Daylily 'Stella de Oro' is also commonly called Stella de Oro Daylily or Stella Daylily.